Answers

Add 7/30 and 40/63

7/30 + 40/63 is 547/630.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 30 × 21 = 630,
   7/30 = 7 × 21/30 × 21 = 147/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   40/63 = 40 × 10/63 × 10 = 400/630
4. Add the two like fractions:
   147/630 + 400/630 = 147 + 400/630 = 547/630
5. So, 7/30 + 40/63 = 547/630

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